...碎形影像编码(fractal image coding)方式是使用块状的分割技巧，不仅需要花费大量的编码时间且会产生 区块效应 ( block artifact )；为了解决这个问题，我们提出了以重叠分割为基础的免搜寻碎形编码方式。
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Block artifact which deteriorates the video subjective visual quality especially in low bit rate is a remarkable problem which usually appears in block-based c1 oding system.
块效应是基于块的编码系统中频繁出现的问题,特别是在码率较低的状况下尤为明显,这种块效应的存在严重影响了图像的主观质量。
参考来源 - 视频编码系统中的环路滤波方法研究Block artifact which deteriorates the video subjective visual quality especially in low bit rate is a remarkable problem which usually appears in block-based c1 oding system.
块效应是基于块的编码系统中频繁出现的问题,特别是在码率较低的状况下尤为明显,这种块效应的存在严重影响了图像的主观质量。
参考来源 - 视频编码系统中的环路滤波方法研究 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.
块效应是视频编码中影响编码质量的一个重要问题，特别在低码率情况下尤为明显。
A component, which is a basic SCA artifact, is the building block of a business application.
组件是指一个基本的SCA工件，是业务应用程序的构建块。
Divide the composite image into overlapped blocks and calculate the measure of each block. The forged area can be effectively exposed by checking inconsistencies of blocking artifact.
然后将待检测图像重叠分块并计算其相应块效应测度，利用块效应不一致性检测篡改区域。
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